Sydney is the largest and most populous city in Australia and the state capital of New South Wales. The city is located on Australia's south-east coast of the Tasman Sea. It is also the oldest and most cosmopolitan city in Australia with an enviable reputation as one of the world's most beautiful and liveable cities. Brimming with history, nature, culture, art, fashion, cuisine, design, Sydney's set next to miles of ocean coastline and sandy surf beaches. Long-term immigration has led to the cities reputation as one of the most culturally and ethnically diverse cities in Australia and the world. The city is also home to the Sydney Opera House and the Sydney Harbour Bridge, two of the most iconic structures on this planet.

Cairns is a regional city in Far North Queensland, Australia. The city was named after William Wellington Cairns. It was formed to serve miners heading for the Hodgkinson River goldfield, but experienced a decline when an easier route was discovered from Port Douglas. It later developed into a railhead and major port for exporting sugar cane, gold and other metals, minerals and agricultural products from surrounding coastal areas and the Atherton Tableland region.  Cairns is a popular travel destination for tourists because of its tropical climate and access to the Great Barrier Reef, one of the seven natural wonders of the world.